Home / 1,487,079.04-2,230,614.08-422,122

Finding the Fourth Proportional to 1,487,079.04, 2,230,614.08 and 422,122

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Solution

The fourth proportional to 1,487,079.04, 2,230,614.08 and 422,122 is: 633,181.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,079.04 : 2,230,614.08 = 422,122 : x
  2. Step 2: Convert to fraction form
    1,487,079.04/2,230,614.08 = 422,122/x
  3. Step 3: Cross multiply
    1,487,079.04x = 2,230,614.08 × 422,122
  4. Step 4: Simplify right side
    1,487,079.04x = 941,591,276,677.76
  5. Step 5: Solve for x
    x = 941,591,276,677.76/1,487,079.04
  6. Step 6: Final answer
    x = 633,181.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.